Driving and carrying chain



(ModeL) O- LEVALLEY. 2 Sheets-Sheet 1 DRIVING AND CARRYING CHAIN.

Patented Aug. 23,1881.

Nwuzssas 2 Sheets-Sheet 2.

(Model.)

0 W LEVALLEY DRIVING AND CARRYING CHAIN.

No. 246,021. Patented Aug.23, 1881.

J nvenior v U ITED STATES PATENT OFFICE.

CHRISTOPHER W. LEVALLEY, OF ST. PAUL, MINNESOTA.

DRIVING AND CARRYING CHAIN.

SPECIFICATION forming part of Letters Patent No. 246,021, dated August23, I881.

Application filedMarch 1,1881. (Moder) 1' 0 all whom it may concern Beit known that I, CHRISTOPHER W. LE- VALLEY, a citizen of the UnitedStates, residing at St. Paul, in the county of Ramsey and State ofMinnesota, have invented certain new and useful Improvements in Drivingand Carrying Chains; and I do hereby declare the following to be a full,clear, and exact description of the invention, such as will enableothers skilled in the art to which it appertains to make and use thesame, reference being had to the accompanying drawings, and to lettersor figures of reference marked thereon, which form a part of thisspecification.

Figure lis an edge view of a chain-link embodying some of myimprovements. Fig. 2 is a plan view of the same. Fig. 3 shows a chainapplied to a wheel with which it engages. Fig. 4 is a transverse sectionon line was of Fig. 3. Fig. 5 shows the position of two of the linkswhen they are being coupled and uncoupled, the links in this figurehaving frictional projections upon both sides. Fig. dis a perspectiveView of a modification. Fig. 7 is a perspective of the link, showing thebucket for carrying material horizontally. Fig. Sis a longitudinalsection of the link shown in Fig. 7. Figs. 9 and 10 show a modifiedconstruction of the link, having abucket, n, with a dischargingmouth,at, adapted for elevating material. Fig. 11 shows a method for applyingchains for the elevating of water.

Although the various links shown in the drawings differ somewhat inminor matters, yet they all have certain featuresin common. Each isprovided with the following elements, namely: hooks B B at one end, abar, E, at the end opposite to the hooks; connecting parts A .A at thesidesof the links, which join the hooks to the end bar, E; one or morefrictional projections, G, for engaging with awheel; apertures O O, forthe insertion of the hooks B B, and a web between said apertures GO.These parts are all castin one piece ofmetal, the parts being so relatedin position that the links can be coupled together without liability ofcasual separation when in ordinary working position, but may be readilytaken apart when placed in the position shown in Fig. 5.

Thefriction part G of the link (whether made in one piece or two) issubstantially wedgeshaped, and is thereby adapted to engage with anddrive by friction a pulley having in its periphery a V-shaped groove,(see Fig. 4;) but I do not claim, broadly, a chain provided with lugs ofwedge or V form cast on the links.

In Figs. 1, 2, 3, 4., 5, 6, I have shown links adapted simply fordriving. In Figs. 7, 8,9, and 10, I have shown links adapted both fordriving and for conveying material. In all of the constructions thefriction part is cast with and extends from the side connecting parts, AA, said friction parts in Figs. 1, 2, 3, 4, and fibeing formed in twopieces; in Fig. 5 in four pieces; in Figs. 7, 8,9, and 1.0 in one piece.When made in one piece it may be made hollow, to provide a cavity tohold and transport material.

In the links shown in Figs. 9 and 10 the cavity or bucket is formed witha supplemental portion, N, on the side of the link opposite to thefrictional projection. This supplemental portion is also cast with andprojects from the side connecting parts, A A, of the link. It has a.wall, n, parallel to the link, and a mouth, N.

By constructing the chain thus I am enabled to utilize for carryingpurposes that portion, G, which is used to receive and transmit thepropelling-power.

The web F assists in supporting the central portion of the buckets shownin Figs. 7, 8, 9, and 10, which web is cast integral with the bottom orend wall of the bucket.

In order to facilitate connecting the links with each other anddisconnecting them from each other, I form the end bars, E, withflattened or cut-away portions adapted to readily pass through thethroats of the hooks of an adjacent link when the links are placed in anunusual position, as indicated in Fig. 5.

What I claim is-' 1. A chain-link cast with the hooks B B, the end bar,E, having reduced portions, the side connect-ing parts, A A, awedge-shaped frictional projection, Gr, extending from and supported bysaid parts A A, the apertures G U, and th web F, integral with the endbar, E, and with the frictional projection G, all cast in one piece, asset forth.

2. A chain-link cast with the hooks B B, the end bar, E, having reducedportions, the side connecting parts, A A, and a bucket, N,projectingfrom said side connecting parts, all cast in one piece, as setforth.

3. A chain-link having hooks B B, the end bar, E, having reducedportions, the side parts, 5 A A, which connect the hooks to said endbar, and the hollow projection G, extending from the side connectingparts, A A, all castin one piece, as set forth.

4. A chain-link provided with the hooks B 120 B, end bar, E, havingreduced portions, side connecting parts, A A, a bucket fortransportingrnaterial, the recesses O G, and the web cast integral withthe bucket, as set forth.

CHRISTOPHER WV. LEVALLEY.

Witnesses:

J. H. RANDALL, THOMAS BARCLAY.

